Practice/Question bank/JEE Main

JEE Main practice questions

NTA-style Physics, Chemistry and Maths MCQs with solutions. 2,688 questions in the bank.

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  1. 1If the length of steel rod is 5cm longer than copper rod at all temperatures. ($\alpha$ for copper $= 1.7 \times 10^{- 5}ºC^{- 1}$ and…Physics· Heat· Moderate
  2. 2When the temperature of copper coin is raised by 80ºC, its diameter increases by 0.2.Physics· Heat· Tough
  3. 3Select the correct alternative for an ideal gasPhysics· Thermodynamics· Moderate
  4. 432 g of O_2 is contained in a cubical container of side 1 m and maintained at a temperature of 127ºC. The isothermal bulk modulus of…Physics· Heat· Moderate
  5. 5A container of fixed volume has a mixture of one mole of hydrogen and one mole of helium in equilibrium at temperature T. Assuming the…Physics· Kinetic Theory of Gases· Tough
  6. 6A disc of mass is attached to a spring of stiffness "k". During its motion, the disc rolls on the ground. When released from some stretched…Physics· Simple Harmonic Motion· Moderate· figure
  7. 7A simple pendulum of length 50cm and bob's mass 100g is oscillating in the air. A damping force f = 0.0693V acts due to air, where V is…Physics· Oscillation· Moderate· figure
  8. 8A string of length L of variable density is clamped between two rigid supports. Whose density variation is shown in figure, ρ = density…Physics· Wave on a string· Tough· figure
  9. 9Sound of frequency 1000 Hz from a stationary source is reflected from an object approaching the source at 30 m/s, back to a stationary…Physics· Sound wave· Moderate· figure
  10. 10Two forks A and B when sounded together produce 4 beats/s. The fork A is in unison with 30cm length of a sonometer wire and B is in unison…Physics· Wave on a string· Moderate· figure
  11. 11A train is moving with a constant speed 15 m/s along a circular track. The length of the train makes an angle 90º at the centre. A siren in…Physics· Sound· Moderate· figure
  12. 12A transverse sinusoidal wave move along a string in the positive x-direction at a speed 5cm/s. The wavelength of the wave 0.2m and its…Physics· Wave on a string· Moderate· figure
  13. 13A particle is performing small oscillation about X & Y axis as [IMAGE] then path of particle will look likePhysics· Oscillation· Moderate· figure
  14. 14A particle is executing SHM between points -[IMAGE] and [IMAGE], as shown in figure-I. The velocity V(t) of the particle is partially…Physics· Simple Harmonic Motion· Moderate· figure
  15. 15A perfectly elastic uniform string is suspended vertically with its upper end fixed to the ceiling and the lower end loaded with the…Physics· Wave on a string· Moderate· figure
  16. 16Two particle of mass m each are fixed to a massless rod of length [IMAGE]. The rod is smoothly hinged at one end to a ceiling. It performs…Physics· Simple Harmonic Motion· Moderate· figure
  17. 17The minimum time in which the potential energy of a particle executing SHM changes from maximum to minimum is 5 s. Then the time period of…Physics· Simple Harmonic Motion· Moderate· figure
  18. 18A simple pendulum A and a homogeneous rod B hinged at its end are released from horizontal position as shown in figurePhysics· Oscillation· Moderate· figure
  19. 19A sinusoidal travelling wave in a string has a velocity of propagation 300 m/sec. The time period of oscillations of the particles of the…Physics· Wave on string· Moderate· figure
  20. 20A street car moves rectilinearly from station A (here car stops) to the next station B (here also car stops) with an acceleration varying…Physics· Simple Harmonic Motion· Moderate· figure
  21. 21One end of a spring is fixed to the ceiling and other end is attached to a block. The block is released when spring is relaxed. The product…Physics· Simple Harmonic Motion· Tough· figure
  22. 22A non−uniform string of mass 45 kg and length 1.5 m has a variable linear mass density given by μ = kx, where x is the distance from one…Physics· Wave on a string· Moderate· figure
  23. 23A uniform solid hemisphere of mass m and radius R is attached to the roof with a chord of torsional constant C and performing torsional…Physics· Simple Harmonic Motion· Easy· figure
  24. 24Sinusoidal waves 5.00 cm in amplitude are to be transmitted along a string having a linear mass density [IMAGE]. If the source can deliver…Physics· Wave on a string· Moderate· figure
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